{

    let a: Array<number> = [1, 2, 3];
    let b: Array<string> = ['a', 'b', 'c'];
    let c: Array<boolean> = [true, false, true];
    let d: Array<any> = [1, 'a', true];


    let e: number[] = [1, 2, 3];
    let f: string[] = ['a', 'b', 'c'];
    let g: boolean[] = [true, false, true];
    let h: any[] = [1, 'a', true];

    
    const n: number = 4;
    const s: string = '4;';
}